1 files changed, 43 insertions, 0 deletions
diff --git a/src/demos/hdr/shaders/cg/object_vp.cg b/src/demos/hdr/shaders/cg/object_vp.cg
new file mode 100755
index 0000000..895dc28
--- /dev/null
+++ b/src/demos/hdr/shaders/cg/object_vp.cg
@@ -0,0 +1,43 @@
+#include "hdr.cg"
+
+// application to vertex shader
+struct a2v 
+{
+    float4 Position : POSITION;
+    float4 Normal   : NORMAL;
+};
+
+// vertex shader to fragment shader
+struct v2f 
+{
+    float4 HPosition : POSITION;
+    float4 P         : TEXCOORD0; // position
+    float3 N         : TEXCOORD1; // normal
+    float3 I         : TEXCOORD2; // incident vector
+};
+
+v2f main(a2v In,
+         uniform float4x4 modelViewProj,
+         uniform float4x4 model,
+         uniform float3 eyePos
+         )
+{
+  v2f Out;
+
+  // transform position
+  float4 P = mul(model, In.Position);
+
+  // transform normal
+  float3 N = transform_dir(model, In.Normal.xyz);
+  N = normalize(N);
+
+  // calculate incident vector
+  float3 I = P.xyz - eyePos;
+
+  Out.P = P;
+  Out.N = N;
+  Out.I = I;
+ 
+  Out.HPosition = mul(modelViewProj, In.Position);
+  return Out;
+}